Habit: Pleopeltis marginata grows from a short rhizome to 3 mm in diameter with deltate/ovate scales. Glabrous subsessile fronds numerous from the rhizome appearing as a rosette. Each frond linear/lanceolate, up to 50 cm in length and 5 cm wide, with an entire, repand margin and acute apex.
The sori are arranged in 2 linear, submarginal rows at the distal/apical 1/3rd to ½ of the frond along the abaxial surface. There is no indusium.
Habitat: Pleopeltis marginata grows as an epiphyte on trees, in sinkholes, in wet shady areas in Dry Broadleaf Evergreen Formation – Forests (coppice).
Distribution: Pleopeltis marginata is known to occur in the northern island groupings of the Lucayan Archipelago as well as the Caribbean and Central America.
Medicinal/Cultural/Economic usage: Pleopeltis marginata is not known to be used medicinally in the Lucayan Archipelago.